IO Shield for Asrock B550M Pro 4 Motherboard

This is a replacement I/O Shield for an Asrock B550M Pro 4 Motherboard. It should snap into place on it's own.

If you wish to add metal shielding, the I/O Shield is 2" tall - the same height as 2" aluminum foil tape used for ducting. It can be applied to the back of the shield, and the holes can be cut with a small, sharp, knife. See attached photos for an example.

There are two versions of the model. 

The version with “Corner Pads” has thin pads at the corner of the object to hold it down to the build plate. They keep the corners from peeling up, and eliminate the need to print with a Brim. The pads can be easily trimmed with a utility knife, or small clippers.
 

A second version, without Corner Pads, requires no trimming, but might lift up at the corners if printed without a Brim.